713 patents
Page 2 of 36
Utility
Light converging member and optical component
28 Nov 23
A light converging member (10) according to an embodiment of the present invention includes: a recess portion (32) that is used for an optical component (100) with an optical element (14) for emitting light, the recess portion being opposed to the optical element (14) and having a size 0.5 or more times larger than the maximum length of a light emission region in the optical element; and a lens body (30) for converging light having passed through the recess portion (32).
Yoshio Kikuchi
Filed: 6 Jun 22
Utility
Composite sintered body, semiconductor manufacturing apparatus member and method of producing composite sintered body
28 Nov 23
A composite sintered body includes a base material that contains Al2O3 as a main component, and an electrode arranged inside or on a surface of the base material.
Keita Miyanishi, Kyohei Atsuji, Asumi Nagai, Hirofumi Yamaguchi, Soichiro Aoyagi
Filed: 8 Sep 21
Utility
Porous ceramic structure and method of producing porous ceramic structure
21 Nov 23
When the porous ceramic structure contains Co together with Fe or Mn, the Co content is higher than or equal to 0.1 mass % and lower than or equal to 3.0 mass % in terms of Co3O4, and when the porous ceramic structure contains Co without containing Fe and Mn, the Co content is higher than or equal to 0.2 mass % and lower than or equal to 6.0 mass % in terms of Co3O4.
Yunie Izumi, Kennichi Hidaka, Akihiro Miura
Filed: 15 Mar 21
Utility
Gas sensor
14 Nov 23
A gas sensor includes: a sensor element; a plurality of element pads formed on a rear end portion of the sensor element; and a plurality of contact members holding the rear end portion of the sensor element and electrically connected respectively to the plurality of element pads.
Shotaro Niizuma, Yusuke Watanabe, Toshihiro Hirakawa, Hayami Aota
Filed: 16 Sep 20
Utility
Composite substrate for electro-optic element and method for manufacturing the same
14 Nov 23
A composite substrate for an electro-optic element includes: an electro-optic crystal substrate having an electro-optic effect; a support substrate bonded to the electro-optic crystal substrate at least via an amorphous layer; and a low-refractive-index layer located between the electro-optic crystal substrate and the amorphous layer and having a lower refractive index than the electro-optical crystal substrate.
Tomoyoshi Tai, Jungo Kondo
Filed: 30 Nov 22
Utility
Honeycomb filter
7 Nov 23
A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion, wherein the partition wall defining inflow cells includes partition wall parts making up sides of polygon that is sectional shape of each cell, the partition wall parts each having a surface that is a face defining the inflow cell, the partition wall part is either a first partition wall part loaded with the exhaust-gas purifying catalyst on the surface so that a percentage of the area loaded therewith exceeds 10%, or a second partition wall part loaded with the exhaust-gas purifying catalyst so that a percentage of the area loaded therewith is 10% or less, and the partition wall is configured to include one or more the first partition wall parts and one or more the second partition wall parts as the partition wall parts.
Kazuya Yuki
Filed: 25 Jan 21
Utility
Wafer placement device
7 Nov 23
A wafer placement device includes a wafer placement stage including a wafer electrostatic chuck and a wafer cooling plate, a focus-ring placement stage including a focus-ring electrostatic chuck and a focus-ring cooling plate, and a clamping member arranged around the focus-ring placement stage.
Hiroshi Takebayashi
Filed: 24 Aug 20
Utility
Gas sensor element
7 Nov 23
A gas sensor element in which oxidation of electrodes and a heater occurring with continued use is suppressed is provided.
Takayuki Sekiya, Shota Kageyama, Yusuke Watanabe
Filed: 31 Oct 19
Utility
Perforating apparatus for cylindrical workpiece, method for perforating cylindrical workpiece, method for manufacturing cylindrical product, and method for inspecting cylindrical workpiece
31 Oct 23
A perforating apparatus for a cylindrical workpiece, including: a cradle having a groove extending in one direction horizontally from one end to another end; a stopper provided at the one end of the groove; a drill disposed vertically above the groove and movable at least in vertical direction, having a drill bit that extends vertically; and a chuck having a pair of opposing grippers movable toward each other in a horizontal direction perpendicular to the direction in which the groove extends, and symmetrically with respect to a rotation axis of the drill bit, each of the grippers further having a pair of vertically symmetric inclined surfaces expanding upwards and downwards.
Toshihiro Fukui, Hideaki Ito
Filed: 17 Mar 20
Utility
Continuous heating furnace and operating method thereof
24 Oct 23
A continuous heating furnace including an inlet, a heating zone, a cooling zone and an outlet in this order, for carrying out a heat treatment while conveying at least one workpiece from the inlet to the outlet, wherein the cooling zone is configured such that an ambient gas for direct cooling of the workpiece can flow into the cooling zone from the outlet; the cooling zone includes a plurality of indirect coolers arranged in parallel in the conveying direction of the workpiece, each of the indirect coolers having at least one regulator for independently adjusting a cooling power; and the cooling zone includes one or more residual heat outlets for discharging a residual heat gas in the cooling zone.
Satoshi Taniguchi, Takeshi Tokunaga
Filed: 14 Aug 19
Utility
Inspection method and inspection system for pillar-shaped honeycomb structure
24 Oct 23
A method for inspecting a pillar-shaped honeycomb structure including the steps of: imaging a pattern of transmitted light from the second end face according to arrangement of the plugged portions of first cells and second cells, with a camera via a light diffusing film placed parallel to a second end face of the pillar-shaped honeycomb structure in a non-contact state with the second end face, which pattern is obtained by irradiating a first end face with light; and detecting a defective plugged portion(s) of the second cells based on an image of the pattern of transmitted light imaged with the camera.
Ryota Kurahashi, Yoshihiro Sato, Takafumi Terahai
Filed: 21 Dec 20
Utility
Ceramic heater
24 Oct 23
A ceramic heater includes a ceramic plate, a planar electrode, and a resistive heating element.
Hiroshi Takebayashi
Filed: 17 Feb 21
Utility
Manifold, cell stack device, and electrochemical cell
24 Oct 23
A manifold includes a first manifold main body and a second manifold main body.
Noriyuki Ogasawara, Yuki Tanaka, Masayuki Shinkai, Hirofumi Kan, Makoto Ohmori
Filed: 27 Oct 20
Utility
Honeycomb filter
17 Oct 23
A honeycomb filter includes a pillar-shaped honeycomb structure body having a porous partition wall disposed to surround a plurality of cells and a plugging portion.
Kazuya Yuki
Filed: 20 Jan 21
Utility
Method for producing Cu—Ni—Sn alloy
17 Oct 23
A method for producing a Cu—Ni—Sn alloy, which achieves both productivity and product quality by reducing internal cracks and dispersing Sn uniformly while shortening the time for cooling an ingot.
Kensuke Ishii
Filed: 23 Feb 22
Utility
Bonded body of piezoelectric material substrate and supporting substrate
17 Oct 23
Yuji Hori, Takahiro Yamadera
Filed: 25 Jun 21
Utility
Bonded body of piezoelectric material substrate and supporting substrate
17 Oct 23
A bonded body includes a supporting substrate; a piezoelectric material substrate composed of a material selected from the group consisting of lithium niobate, lithium tantalate and lithium niobate-lithium tantalate; and a bonding layer bonding the supporting substrate and piezoelectric material substrate and contacting a main surface of the piezoelectric material substrate.
Takahiro Yamadera, Saki Nakayama, Yuji Hori
Filed: 24 Jun 21
Utility
Member for semiconductor manufacturing apparatus and method for manufacturing the same
10 Oct 23
A member for semiconductor manufacturing apparatus includes an upper plate that has a wafer placement surface, that contains an electrostatic electrode and an upper auxiliary electrode parallel to each other, and that comprises ceramics; an intermediate plate that is joined to a surface of the upper plate opposite the wafer placement surface with a first metal joining layer interposed therebetween; and a lower plate that is joined to a surface of the intermediate plate opposite a surface joined to the upper plate with a second metal joining layer interposed therebetween and that contains a heater electrode and a lower auxiliary electrode parallel to each other.
Hiroshi Takebayashi, Joyo Ito
Filed: 15 Nov 21
Utility
Wafer placement apparatus
10 Oct 23
A wafer placement apparatus includes a ceramic plate having a top surface including a wafer placement surface, the ceramic plate allowing at least one of an electrostatic electrode and a heater electrode to be embedded therein; and a cooling plate disposed on an undersurface of the ceramic plate opposite to the wafer placement surface to cool the ceramic plate, wherein the cooling plate includes a coolant channel, and the coolant channel has a multi-layer structure at least partially including two or more layers stacked vertically, the two or more layers being spaced different distances apart from the wafer placement surface.
Joyo Ito
Filed: 27 Feb 20
Utility
Tubular member for exhaust gas treatment device and exhaust gas treatment device using the tubular member, and method of manufacturing tubular member for exhaust gas treatment device
3 Oct 23
A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body.
Yusuke Oshita, Kisuke Yamamoto, Takahiro Tomita
Filed: 15 Dec 21